Improvement in water-closet basins



C. HARRISON.

WATER-CLOSET BASIN.

No. 188,897. Patented March 27,1877.

N, PETERS. PHOTO-EITHOGRAPHER. WASHINGTON. D O.

UNITED STATES PATENT QFFIC'E.

CHARLES HARRISON, OF NEW YORK, N. Y.

IMPROVEMENT IN WATER-CLOSET BASINS.

Specification forming part of Letters Patent No. 188,897, dated March27, 1877; application filed February 19, 1877.

To all whom it may concern:

Be it known that I, CHARLES HARRISON, of New York, N. Y., have inventedan Improvement in Water-Closet -Basins, of which the following is aspecification Water-closet basins have been heretofore made of sheetmetal, and have been lined on the bottom inside with porcelain, whichhas been secured in position by a strip of solder around the inside ofthe basin just above the edge of the porcelain.

It is the object of my invention to dispense with the use of solder infastening the porcelain bottom linings in basins, and thus avoidthepresencein the basins of the rough sur' face of solder, which ishighly objectionable, because it catches soil. The further advantages ofdispensing with the solder are, that the basin is improved inappearance. and the cost of manufacture is materially lessened.

My invention constitutes a new article of manufacture, which consists ofa water-closet basin having for its inside bottom lining a porcelaindisk which conforms to the shape of the bottom, and is secured thereuponby spinning the sheet metal of which the basin is made upon or over aportion of the porcelain disk. The porcelain disk is thus held inposition by the friction of the annular recess in which the periphery ofthe disk is seated.

The accompanying drawing is a central section through the axis of abasin embodying my invention.

The drawing represents a Water-closet basin of the ordinary form, theperiphery of which, A, is conical, and is turned over upon its upperedge to receive the usual stiffening-wire a. The bottom B of the basinis slightly rounded,

and fits the inner face of the porcelain disk 0, which constitutes theinner bottomlining of the basin.

In the process of manufacture, after the basin is formed, the disk isplaced against the 1 bottom, and the metal is then spun over the edge ofthe disk all the way around, forming on the outside of the basin theannular recess 0, and on the inner side of the basin the annularshoulder or projection 0.

By this mode of manufacture the porcelain bottom lining is made to fittight upon the sheet metal, and the basin is left perfectly smooth. Atthe same time the cost of the solder ordinarily used to secure the diskin place and the labor of soldering are saved.

I am aware that basins have been wholly lined with porcelain; but bylining the bottom only. as I do, the weight of the basin is notmaterially added to, as it is when the whole interior of the basin isporcelain-lined. At the same time my bottom lining matches in appearancethe bowl upon the bottom of which the basin is applied, and gives thestructure. the same liuish as if the whole interior of the basin wereporcelain.

I claim as my invention- As a new article of manufacture, a sheetmetalwater-closet basin provided with an inside bottom lining of porcelain,which is secured in position by means of the annular shoulder c, spunagainst or upon the edge of the disk. substantially as shown anddescribed.

CHAS. HARRISON. Witnesses:

Enwn. PAYSON, GEO. W. MIATT.

